Indicate the location of tsconfig.json file when setting up Cypress

Having trouble integrating Cypress with Typescript? I've encountered an issue where Cypress is unable to locate the tsconfig.json file I created for it. My preference is to organize my project with a custom directory structure, keeping configuration files in a separate directory instead of cluttering the root.

Project Directory Setup

/
├── package.json
├── configs/
│   ├── cypress.json
├── src/
│   ├── cypress/
│       ├── tsconfig.json

Cypress Open Command Configuration

//  package.json

"scripts": {
    "cypress:open": "cypress open --config-file configs/cypress.json"
},

The --config-file flag in the script specifies the location of the cypress.json config file. Now, the challenge lies in guiding Cypress to find its tsconfig.json file.

/configs/cypress.json (indicates the location of the cypress/ directory)

{
  "fixturesFolder": "src/cypress/fixtures",
  "integrationFolder": "src/cypress/integration",
  "pluginsFile": "src/cypress/plugins/index.js",
  "screenshotsFolder": "src/cypress/screenshots",
  "videosFolder": "src/cypress/videos",
  "supportFile": "src/cypress/support/index.js"
}

// Is there no option to set tsconfig.json path????

According to the official documentation, the recommended location for the tsconfig.json file is within the cypress/ directory at /cypress/tsconfig.json. However, in my setup, it resides at /src/cypress/tsconfig.json.

I've attempted various locations for the tsconfig.json file:

/src/cypress/tsconfig.json //Error: "Couldn't find tsconfig.json. tsconfig-paths will be skipped"

/src/tsconfig.json //Error: "Couldn't find tsconfig.json. tsconfig-paths will be skipped"

/cypress/tsconfig.json //Error: "Couldn't find tsconfig.json. tsconfig-paths will be skipped"

/tsconfig.json // Works!! But not the desired location...

How can I direct Cypress to use the specific tsconfig.json file I want it to utilize in a particular location? Are there options within the cypress.json config file or CLI flags that could assist?

I aim to keep my project organized without random config files cluttering the root, particularly as I maintain separate tsconfig files for the project and tests. Any guidance on setting the file path explicitly would be appreciated.

Answer №1

Although it may not be the ideal answer you were hoping for, tsconfig.json serves as the foundation of a TypeScript project, similar to how package.json acts as the base of a Node.js project. These files are crucial for tools like IDEs to properly interpret your project.

In my personal view, relocating tsconfig.json should only be considered when you also plan on moving your package.json to a different directory.

For further information, check out: https://www.typescriptlang.org/docs/handbook/tsconfig-json.html

Answer №2

Take a look at the Cypress Real World App, which is a payment application designed to showcase how Cypress testing methods, patterns, and workflows are used in real-world scenarios.

This app is built using create-react-app and TypeScript. The tsconfig.json file used for Cypress can be found in the cypress directory.

If needed, you may have to set up a root tsconfig.json and extend it from the cypress tsconfig.json, similar to what was done in the RWA project.

// cypress/tsconfig.json
{
  "extends": "../tsconfig.json",
  // ...
}

Answer №3

Make sure your cypress folder is located outside your src folder in the main directory. Additionally, ensure that your cypress.config.ts file is placed in the root folder.

Next, create a ./cypress/tsconfig.json file with the following configuration:

{
  "extends": "../tsconfig.json",
  "files": [
    "**/*.ts",
    "../cypress.config.ts"
  ],
  "compilerOptions": {
    "sourceMap": false,
    "types": ["cypress", "chai"]
  }
}

Answer №4

Give these commands a shot:

//Navigate to the directory where you want your .tsconfig file
    cd project_config  
     
  // Generate .tsconfig file   
     tsc --init  
    
  // Specify the location from which you want to run your tsconfig file
     tsc -p /path/to/folder/with/tsconfig 

Answer №5

By not requiring a root level tsconfig, this solution allows for an alternative approach. The key is to navigate into the test folder before executing the open command:

Given the directory structure below, your test command might appear as follows:

cd ./src/cypress && cypress open --config-file ../../configs/cypress.json
/
├── package.json
├── configs/
│   ├── cypress.json
├── src/
│   ├── cypress/
│   │   ├── tsconfig.json

Remember to adjust support paths and other settings in the cypress.json file since they are now relative to src/cypress

Answer №6

After completing the steps outlined below, I successfully resolved the error message:

1. Go to the AppData\Roaming\Cypress\cy\production\projects directory. 2. Find your project folder within that directory. 3. Remove the project folder from the directory. 4. Try reopening Cypress and check if the problem has been fixed.

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